Select 20 unique numbers from 0 to 2000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 395,772,111,749,723,273,522,575,272,403,206,272,405,831,942,144 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 962,874,765,456,210,935,547,090,162,769,488,247,395,940,907,317,371,288,399,682,469,888 (~)
If order does not matter (e.g. most lottery numbers): 395,772,111,749,723,273,522,575,272,403,206,272,405,831,942,144 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 962,874,765,456,210,935,547,090,162,769,488,247,395,940,907,317,371,288,399,682,469,888 (~)
